What has the author Mabel Harmer written?

Mabel Harmer has written:
'The story of the Mormon pioneers' -- subject(s): Frontier and pioneer life, Mormons and Mormonism
'About penguins and other antarctic animals'
'Our Utah pioneers' -- subject(s): Frontier and pioneer life, History, Juvenile literature
'About dams' -- subject(s): Dams, Juvenile literature